GW1-12/24/40.5-630-20(25) outdoor AC high voltage disconnect switch (disconnect switch for short) is used to open and close circuit with voltage but no-load 50/60Hz,12/24/40.5kV power system, the anti-pollution type can be used in the serious pollution area. Three pole linkage, good synchronous performance. It accords with standards of IEC62271-103:High voltage switches.
Note: The model of the 24kV outdoor HV disconnect switch is GWHY2-24.
Ambient Conditions:
1. Altitude: ≤3000m;
2. Ambient temperature:-30℃~+40℃;
3. Wind speed:≤35m/s;
4. Air pollution:IV;
5. Earthquake intensity: ≤8 degree;
6. Ice thickness:≤10mm
Products with special requirements, specifications and dimensions that need to be improved can be designed and manufactured according to user requirements.
Product Paramenters
No. | Item | Unit | Data | |||
1 | Rated voltage | kV | 12/24/40.5 | |||
2 | Rated current | A | 630/1000/1250 | |||
3 | Rated power frequency | Hz | 50/60 | |||
4 | Rated peak withstand current | kA | 50/63 | |||
5 | Rated short-time withstand current | kA | 20/25 | |||
6 | Rated short-time withstand current duration | s | 4 | |||
7 | Main loop resistance | μΩ | 12kV≤80 | 24kV≤90 | 40.5kV≤100 | |
8 | 1min(dry)power frequency withstand voltage | phase to phase phase to earth across open contacts |
kV | 42/48 | 50/60 | 95/115 |
9 | 1min(wet)power frequency withstand voltage | 34 | 50 | 85 | ||
10 | lightning impulse wuthstand voltage(peak) | 75/85 | 125/145 | 185/215 | ||
11 | Mechanical life | Times | 2000 |
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